Cypress Hills region - Quaternary Stratigraphy and Glacial History
Identification of tephra

Beaudoin, A. B., and R. H. King 1986

Using Discriminant Function Analysis to Identify Holocene Tephras Based on Magnetite Composition: A Case Study from the Sunwapta Pass Area, Jasper National Park. Canadian Journal of Earth Sciences 23:804-812.
AEU SCI QE 1 C21

Heiken, G. 1974

An Atlas of Volcanic Ash. Smithsonian Contributions to Earth Sciences, No. 12 101 pages.

Westgate, J. A., and M. E. Evans 1978

Compositional Variability of Glacier Peak Tephra and its Stratigraphic Significance. Canadian Journal of Earth Sciences 15:1554-1567.
AEU SCI QE 1 C21